Tenda AC21 16.03.08.15 /bin/httpd formSetFirewallCfg buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda AC21 16.03.08.15. It has been rated as critical. This affects the function formSetFirewallCfg of the file /bin/httpd. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2022-40070. There is not any exploit available.

Detailsinfo

A vulnerability was found in Tenda AC21 16.03.08.15. It has been declared as critical. Affected by this vulnerability is the function formSetFirewallCfg of the file /bin/httpd. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via bin/httpd, function: formSetFirewallCfg.

The weakness was released 09/19/2022. The advisory is shared at github.com. This vulnerability is known as CVE-2022-40070 since 09/06/2022. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2022 🔍
09/19/2022 +13 days 🔍
09/19/2022 +0 days 🔍
10/20/2022 +31 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2022-40070 (🔍)
GCVE (CVE): GCVE-0-2022-40070
GCVE (VulDB): GCVE-100-209041

Entryinfo

Created: 09/19/2022 20:37
Updated: 10/20/2022 14:46
Changes: 09/19/2022 20:37 (38), 09/19/2022 20:38 (1), 10/20/2022 14:46 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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